Thanks Chris - I found that site already - they're all on a non-drive hire basis (i.e. you get chauffeured) which is not what I want.
Gone but not forgotten:
325i M Sport (E92), Black Sapphire, Coral Red Dakota, 19" 225's, Seat Heating, 6FL and de-badge
Replaced by 6.2 litres of AMG powered C class.